CVE-2025-5408CRITICAL 9.8EPSS p48.0%

CVE-2025-5408CVE-2025-5408

Description

A vulnerability was found in WAVLINK QUANTUM D2G, QUANTUM D3G, WL-WN530G3A, WL-WN530HG3, WL-WN532A3 and WL-WN576K1 up to V1410_240222 and classified as critical. Affected by this issue is the function sys_login of the file /cgi-bin/login.cgi of the component HTTP POST Request Handler. The manipulation of the argument login_page leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.69% probability of exploitation · percentile 48.0% · 2026-06-19T12:03:05Z
Published2025-06-01
Last modified2026-04-15

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/CH13hh/tmp_store_cc/blob/main/wavlink/1.md
  2. https://vuldb.com/?ctiid.310748
  3. https://vuldb.com/?id.310748
  4. https://vuldb.com/?submit.583486

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.